Netlify Build Errors

The Netlify deploy errored, with the following guidance provided: ### Diagnosis: The build failure is caused by errors encountered during the build process: 1. Line 223: `TypeError: The "code" argument must be of type number. Received an instance of Object`. This is a type error that occurred while running `contentlayer build`. 2. Line 239: `Error occurred prerendering page "/blog/2025-07-08-AI-Forum". ReferenceError: id is not defined`. This is a reference error encountered while prerendering a specific page in the application. 3. Line 251: `Export encountered an error on /blog/[slug]/page: /blog/2025-07-08-AI-Forum, exiting the build`. An error occurred during exporting a specific page which led to the build failure. ### Solution: 1. For the `TypeError` on Line 223: - The error indicates a type mismatch within the code of the `contentlayer` build. Verify the code responsible for this error and ensure that the correct data types are used to fix this issue. 2. For the reference error on Line 239: - The error states that `id` is not defined while prerendering a page. Review the code related to the prerendering of the `/blog/2025-07-08-AI-Forum` page and ensure that `id` is properly defined before use to resolve this issue. 3. For the error exporting a page on Line 251: - Inspect the export logic for the `/blog/[slug]/page: /blog/2025-07-08-AI-Forum` route to identify and correct the issue causing the build to fail during the export process. Fixing this error should allow the build to proceed successfully. The relevant error logs are: Line 213: ❯ Using Next.js Runtime - v5.11.4 Line 214: Next.js cache restored Line 215: ​ Line 216: Build command from Netlify app  Line 217: ──────────────────────────────────────────────────────────────── Line 218: ​ Line 219: $ npm run build Line 220: > next-animated-portfolio@0.1.0 build Line 221: > contentlayer build && next build Line 222: Generated 25 documents in .contentlayer Line 223: TypeError: The "code" argument must be of type number. Received an instance of Object Line 224:  at process.set [as exitCode] (node:internal/bootstrap/node:123:9) Line 225: at Cli.runExit (/opt/build/repo/node_modules/clipanion/lib/advanced/Cli.js:232:26) Line 226: at run (file:///opt/build/repo/node_modules/@contentlayer/cli/src/index.ts:39:3) Line 227: at main (/opt/build/repo/node_modules/contentlayer/bin/cli.cjs:5:3) { Line 228: code: 'ERR_INVALID_ARG_TYPE' Line 229: } Line 230: ▲ Next.js 15.3.4 Line 231:   Creating an optimized production build ... Line 232: ✓ Compiled successfully in 3.0s Line 233:   Linting and checking validity of types ... Line 234:   Collecting page data ... Line 235:   Generating static pages (0/80) ... Line 236:   Generating static pages (20/80) Line 237:   Generating static pages (40/80) Line 238:   Generating static pages (60/80) Line 239: Error occurred prerendering page "/blog/2025-07-08-AI-Forum". Read more: https://nextjs.org/docs/messages/prerender-error Line 240: ReferenceError: id is not defined Line 241: at _createMdxContent (eval at <anonymous> (/opt/build/repo/.next/server/chunks/792.js:1:4309), <anonymous>:74:98) Line 242: at MDXContent (eval at <anonymous> (/opt/build/repo/.next/server/chunks/792.js:1:4309), <anonymous>:16436:8) Line 243: at nF (/opt/build/repo/node_modules/next/dist/compiled/next-server/app-page.runtime.prod.js:76:46843) Line 244: at nH (/opt/build/repo/node_modules/next/dist/compiled/next-server/app-page.runtime.prod.js:76:48618) Line 245: at nW (/opt/build/repo/node_modules/next/dist/compiled/next-server/app-page.runtime.prod.js:76:67762) Line 246: at nz (/opt/build/repo/node_modules/next/dist/compiled/next-server/app-page.runtime.prod.js:76:65337) Line 247: at nH (/opt/build/repo/node_modules/next/dist/compiled/next-server/app-page.runtime.prod.js:76:64325) Line 248: at nW (/opt/build/repo/node_modules/next/dist/compiled/next-server/app-page.runtime.prod.js:76:67762) Line 249: at nz (/opt/build/repo/node_modules/next/dist/compiled/next-server/app-page.runtime.prod.js:76:65337) Line 250: at nB (/opt/build/repo/node_modules/next/dist/compiled/next-server/app-page.runtime.prod.js:76:47195) Line 251: Export encountered an error on /blog/[slug]/page: /blog/2025-07-08-AI-Forum, exiting the build. Line 252: ⨯ Next.js build worker exited with code: 1 and signal: null Line 253: ​ Line 254: "build.command" failed  Line 255: ──────────────────────────────────────────────────────────────── Line 256: ​ Line 257: Error message Line 258: Command failed with exit code 1: npm run build Line 259: ​ Line 260: Error location Line 261: In Build command from Netlify app: Line 262: npm run build Line 263: ​ Line 264: Resolved config Line 265: build: Line 266: command: npm run build Line 267: commandOrigin: ui Line 268: environment: Line 269: - STRIPE_SECRET_KEY Line 270: publish: /opt/build/repo/.next Line 271: publishOrigin: ui Line 272: plugins: Line 273: - inputs: {} Line 274: origin: ui Line 275: package: '@netlify/plugin-nextjs' Line 276: Build failed due to a user error: Build script returned non-zero exit code: 2 Line 277: Failing build: Failed to build site Line 278: Finished processing build request in 1m1.67s Line 279: Failed during stage 'building site': Build script returned non-zero exit code: 2

Your Netlify deployment failed due to two main issues: --- ## ✅ **Summary of the Errors** ### 1. `TypeError: The "code" argument must be of type number. Received an instance of Object` - **Origin:** `contentlayer build` - **Likely Cause:** Some code is passing an object instead of a number (e.g. `process.exit({})` instead of `process.exit(1)`). - **File to check:** Likely in a custom `contentlayer.config.ts` or inside `.contentlayer/generated` or a script you’re running as part of the build. --- ### 2. `ReferenceError: id is not defined` during prerendering `/blog/2025-07-08-AI-Forum` - **Origin:** Your MDX content or component used in rendering this blog page. - **Line in logs:** ``` at _createMdxContent (...) <anonymous>:74:98 ``` - **Likely Cause:** Somewhere in the markdown or its associated layout, you're referencing a variable called `id` without defining it. For example: ```tsx <Component id={id} /> ``` when `id` isn’t passed via props or context. --- ## 🔍 What to Fix ### ✅ Step 1: Fix `contentlayer` TypeError Open the script or config where `contentlayer` is used (often in `contentlayer.config.ts` or a wrapper script): Look for a line like: ```js process.exit({ something: "not a number" }) ``` Change it to: ```js process.exit(1) // or 0 if it's success ``` If you’re not manually calling `process.exit`, this could be a bug in the version of `contentlayer` you're using. Try **upgrading** or **downgrading** Contentlayer. ```bash npm i contentlayer@latest ``` --- ### ✅ Step 2: Fix `id is not defined` in your blog post MDX/MD 1. Locate the blog file: ``` /blog/2025-07-08-AI-Forum.mdx (or .md) ``` 2. Open it and look for any line that refers to `id` without declaration: ```tsx <SomeComponent id={id} /> ``` 3. Fix it by: - Removing the use of `id`, or - Wrapping in a function with proper context, or - Replacing `id` with a defined value like `props.id` or `post.id` depending on your setup. You may also be using an MDX layout that references `id` but doesn’t receive it from the frontmatter or props. --- ### ✅ Step 3: Optional - Add Build Guard To prevent a failed build from killing everything, wrap your `contentlayer build` in a safer script like: ```json "scripts": { "build": "npm run content && next build", "content": "node ./scripts/safe-contentlayer-build.js" } ``` Then in `scripts/safe-contentlayer-build.js`: ```js const { execSync } = require('child_process'); try { execSync('contentlayer build', { stdio: 'inherit' }); } catch (err) { console.error("Contentlayer build failed."); process.exit(1); } ``` --- ## ✅ Final Tips - Run locally: `npm run build` to reproduce the error before pushing to Netlify. - If using `contentlayer`, make sure the `.mdx` files and `contentlayer.config.ts` are up-to-date. - Avoid undefined variables in MDX—wrap all usage with null checks or default values. --- Would you like me to review the blog post `2025-07-08-AI-Forum.mdx` or your `contentlayer.config.ts` for errors? You can paste it here.